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Draw the ray diagram for formation of primary rainbow.
Important Questions on Ray Optics and Optical Instruments
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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>EXERCISE>Q 24
If in a plano-convex lens the radius of curvature of the convex surface is and the focal length of the lens is , the refractive index of the material of the lens will be :![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>Assignment>Q 27
A curved surface is convex to the incident beam of light. Does it form real image? Draw the ray diagram.![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>Assignment>Q 11
A microscope is focused on a coin lying at the bottom of a beaker. The microscope is now raised up by To what depth should the water be poured into the beaker so that coin is again in focus? (Refractive index of water is .![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>Assignment>Q 15
The least distance between a point object and its real image formed by a convex lens of focal length is![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>Assignment>Q 24
A thin equiconvex glass lens of refractive index has power of When the lens is immersed in a liquid of refractive index it acts as a divergent lens of focal length The value of of liquid is![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>Assignment>Q 6
A spherical convex surface of radius of curvature separates two media of refractive index and If an object is kept in first medium at infinity then the position of image from spherical surface is![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)
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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>Assignment>Q 41
In the diagram, a ray is passing through a broken prism, find angular deviation for the ray
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Gamma Question Bank for Medical Physics>Chapter 26 - Ray Optics and Optical Instruments>Assignment>Q 51
The near point of a person is In order that he may be able to read book at a distance The power of spectacles lenses should be![](https://assets-cf.embibe.com/production/web-assets/assets/seo/forward.webp)